Add DAWN_USE_WINDOWS_UI option for Zig & MinGW compilers #6
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This was referenced Feb 20, 2022
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In Mach engine, we're compiling Dawn using Zig as a C/C++ compiler. Zig provides it's own libc implementation, build system, and system headers. Dawn today makes use of newer `windows.ui.*.h` headers introduced in more recent Windows versions. However, Zig relies on MinGW for it's system headers and it is not straightforward/desirable to use the official Windows SDK headers: Zig does not have these headers today. Since Dawn does not truly require these headers, we are using a preprocessor directive `DAWN_USE_WINDOWS_UI` to disable this functionality and enable compilation of Dawn with Zig/MinGW compilers. I have based the implementation on the existing `DAWN_USE_X11` and `DAWN_USE_WAYLAND` build configuration approaches. Signed-off-by: Stephen Gutekanst <stephen@hexops.com> Change-Id: If41cafb95666946115b58567fef753df3fbe940a
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Merged upstream |
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This is a pending CL being sent upstream to dawn.googlesource.com.
Status:
mainbranchHelps hexops/mach#86
In Mach engine, we're compiling Dawn using Zig as a C/C++ compiler. Zig provides it's own libc implementation, build system, and system headers.
Dawn today makes use of newer
windows.ui.*.hheaders introduced in more recent Windows versions. However, Zig relies on MinGW for it's system headers and it is not straightforward/desirable to use the official Windows SDK headers: Zig does not have these headers today.Since Dawn does not truly require these headers, we are using a preprocessor directive
DAWN_USE_WINDOWS_UIto disable this functionality and enable compilation of Dawn with Zig/MinGW compilers.I have based the implementation on the existing
DAWN_USE_X11andDAWN_USE_WAYLANDbuild configuration approaches.Signed-off-by: Stephen Gutekanst stephen@hexops.com